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Official Stockfish pre-release: Stockfish dev-20260118 (Windows and MacOS)



Official prerelease Stockfish dev-20260118
Rating Chess Engines Diary CEDR=3759.2

Great news for chess enthusiasts! 
The pre-release version of Stockfish dev-20260118, widely recognized as the world's top chess engine, has been released. This brings us one step closer to the next official release. Our team is excited to begin testing it today, and we'll be sure to share the results on our website. Stay tuned!

What changes in the new Stockfish dev-20260118 version?

With the current setup, on Linux, SIGILL (and SIGSEGV/SIGBUS etc., in the case
of a program bug) lead to no feedback if they occur after the signal handlers
are installed, they just exit silently. By invoking the default signal handler,
we can still get the appropriate feedback. This is particularly important for
feedback if someone downloads the wrong SF binary and runs it on Linux.
No functional change

Stockfish dev-20260118 download (all files: stockfish-windows-armv8.exe, stockfish-windows-armv8-dotprod.exe, stockfish-windows-x86-64.exe, stockfish-windows-x86-64-avx2.exe, stockfish-windows-x86-64-avx512.exe, stockfish-windows-x86-64-avx512icl.exe, stockfish-windows-x86-64-avxvnni.exe, stockfish-windows-x86-64-bmi2.exe, stockfish-windows-x86-64-sse41-popcnt.exe, stockfish-windows-x86-64-vnni256.exe, stockfish-windows-x86-64-vnni512.exe  )  mirror 

Here are some sample tournament wins for the Stockfish engine on Android and Windows::



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